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Alexeev081 [22]
3 years ago
10

Skeletal muscles are?

Biology
2 answers:
Nesterboy [21]3 years ago
6 0

Skeletal muscles are one of the three muscle types they are a form of  striated muscle tissue.

Ainat [17]3 years ago
5 0

Answer:

Skeletal muscles are a type of muscular tissue.

Explanation:

All types of movements in our body are due to the muscular tissue. This tissue constitutes the muscles, which are made up of long, cylindrical, fiber like cells  called muscle fibers. The muscle fibers contain the myofibrils in the cytoplasm called sarcoplasm.

On the basis of their structure and function, muscular tissue is of three types:

1. Skeletal muscle

2. Smooth muscle

3. Cardiac muscle

Skeletal muscle: It is also referred as striated or striped muscle. These are found attached to the all the bones, hence called skeletal muscle. They are voluntary in their nature which means they are under the control of our will power. These skeletal muscle provides the force for locomotion and all other voluntary movements of the body. These muscle undergo tiredness called fatigue and need rest.

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3 years ago
A population of wild-flowers was scored for flower color. There were 302 blue (BB) plants, 1857 violet (BR) plants and 811 red (
Paul [167]

Answer:

frequency of the blue (B) allele = 0.4142

frequency of the red (R) allele = 0.5858

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

Explanation:

Frequency of blue allele is

Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

\frac{302}{2970} + \frac{1}{2} \frac{1857}{2970} \\= 0.1016 + 0.3126\\= 0.4142

Frequency of other allele

1- 0.4142\\= 0.5858

Chi Square test

See the attached file

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

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3 years ago
Seeds are a derived character of the spermatophytes. All of the plants in this clade reproduce using seeds. However, embryo form
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The conduction of water requires vascular tissue called xylem. In green algae, it is not necessary to have water conducting tissue as the entire body is in contact with water. However in embryophytes, having a vascular tissue is an adaptation that ensures to provide water to the higher parts of the plant which is not directly in contact with the soil.

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What is the answer to number 1
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Answer:

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Explanation:

Pretty sure it that.

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